Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 1 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 01/13/2020   17:47:33   (  -0.04,-128.41) (  -0.86,-124.79)  413.34                80
 01/15/2020   06:09:15   (   0.02,-128.44) (  -0.17,-129.38)  107.40                80
 01/16/2020   05:45:56   (   0.03,-128.44) (   0.96,-124.39)  461.87                80
 01/17/2020   18:07:28   (  -0.02,-128.42) (   0.10,-128.94)   59.42                80
 01/20/2020   06:05:50   (   0.02,-128.44) (   0.01,-128.55)   12.09                80
 01/22/2020   18:01:23   (  -0.02,-128.41) (  -0.08,-128.11)   34.25                80
 01/24/2020   06:23:05   (   0.01,-128.43) (  -0.94,-132.71)  487.90                80
 01/25/2020   05:59:46   (   0.02,-128.42) (   0.20,-127.72)   80.58                80
 01/26/2020   18:21:17   (  -0.01,-128.39) (   0.87,-132.27)  442.07                80